Search a number
-
+
25420274 = 2111736679
BaseRepresentation
bin110000011111…
…0000111110010
31202211111001122
41200332013302
523001422044
62304502242
7426032405
oct140760762
952744048
1025420274
11133926a0
12861a982
1353605a9
143539d3c
152371dee
hex183e1f2

25420274 has 16 divisors (see below), whose sum is σ = 41843520. Its totient is φ = 11486160.

The previous prime is 25420237. The next prime is 25420277. The reversal of 25420274 is 47202452.

It is not an unprimeable number, because it can be changed into a prime (25420277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (2615220).

Almost surely, 225420274 is an apocalyptic number.

25420274 is a deficient number, since it is larger than the sum of its proper divisors (16423246).

25420274 is a wasteful number, since it uses less digits than its factorization.

25420274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6865.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 25420274 is about 5041.8522390090. The cubic root of 25420274 is about 294.0311951103.

The spelling of 25420274 in words is "twenty-five million, four hundred twenty thousand, two hundred seventy-four".

Divisors: 1 2 11 22 173 346 1903 3806 6679 13358 73469 146938 1155467 2310934 12710137 25420274